/**
 * plugin.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/*global tinymce:true */

(function () {
    tinymce.create('tinymce.plugins.BBCodePlugin', {
        init: function (ed) {
            var self = this, dialect = ed.getParam('bbcode_dialect', 'punbb').toLowerCase();

            ed.on('beforeSetContent', function (e) {
                e.content = self['_' + dialect + '_bbcode2html'](e.content);
            });

            ed.on('postProcess', function (e) {
                if (e.set) {
                    e.content = self['_' + dialect + '_bbcode2html'](e.content);
                }

                if (e.get) {
                    e.content = self['_' + dialect + '_html2bbcode'](e.content);
                }
            });
        },

        getInfo: function () {
            return {
                longname: 'BBCode Plugin',
                author: 'Ephox Corp',
                authorurl: 'http://www.tinymce.com',
                infourl: 'http://www.tinymce.com/wiki.php/Plugin:bbcode'
            };
        },

        // Private methods

        // HTML -> BBCode in PunBB dialect
        _punbb_html2bbcode: function (s) {
            s = tinymce.trim(s);

            function rep(re, str) {
                s = s.replace(re, str);
            }

            // example: <strong> to [b]
            rep(/<a.*?href=\"(.*?)\".*?>(.*?)<\/a>/gi, "[url=$1]$2[/url]");
            rep(/<font.*?color=\"(.*?)\".*?class=\"codeStyle\".*?>(.*?)<\/font>/gi, "[code][color=$1]$2[/color][/code]");
            rep(/<font.*?color=\"(.*?)\".*?class=\"quoteStyle\".*?>(.*?)<\/font>/gi, "[quote][color=$1]$2[/color][/quote]");
            rep(/<font.*?class=\"codeStyle\".*?color=\"(.*?)\".*?>(.*?)<\/font>/gi, "[code][color=$1]$2[/color][/code]");
            rep(/<font.*?class=\"quoteStyle\".*?color=\"(.*?)\".*?>(.*?)<\/font>/gi, "[quote][color=$1]$2[/color][/quote]");
            rep(/<span style=\"color: ?(.*?);\">(.*?)<\/span>/gi, "[color=$1]$2[/color]");
            rep(/<font.*?color=\"(.*?)\".*?>(.*?)<\/font>/gi, "[color=$1]$2[/color]");
            rep(/<span style=\"font-size:(.*?);\">(.*?)<\/span>/gi, "[size=$1]$2[/size]");
            rep(/<font>(.*?)<\/font>/gi, "$1");
            rep(/<img.*?src=\"(.*?)\".*?\/>/gi, "[img]$1[/img]");
            rep(/<span class=\"codeStyle\">(.*?)<\/span>/gi, "[code]$1[/code]");
            rep(/<span class=\"quoteStyle\">(.*?)<\/span>/gi, "[quote]$1[/quote]");
            rep(/<strong class=\"codeStyle\">(.*?)<\/strong>/gi, "[code][b]$1[/b][/code]");
            rep(/<strong class=\"quoteStyle\">(.*?)<\/strong>/gi, "[quote][b]$1[/b][/quote]");
            rep(/<em class=\"codeStyle\">(.*?)<\/em>/gi, "[code][i]$1[/i][/code]");
            rep(/<em class=\"quoteStyle\">(.*?)<\/em>/gi, "[quote][i]$1[/i][/quote]");
            rep(/<u class=\"codeStyle\">(.*?)<\/u>/gi, "[code][u]$1[/u][/code]");
            rep(/<u class=\"quoteStyle\">(.*?)<\/u>/gi, "[quote][u]$1[/u][/quote]");
            rep(/<\/(strong|b)>/gi, "[/b]");
            rep(/<(strong|b)>/gi, "[b]");
            rep(/<\/(em|i)>/gi, "[/i]");
            rep(/<(em|i)>/gi, "[i]");
            rep(/<\/u>/gi, "[/u]");
            rep(/<span style=\"text-decoration: ?underline;\">(.*?)<\/span>/gi, "[u]$1[/u]");
            rep(/<u>/gi, "[u]");
            rep(/<blockquote[^>]*>/gi, "[quote]");
            rep(/<\/blockquote>/gi, "[/quote]");
            rep(/<br \/>/gi, "\n");
            rep(/<br\/>/gi, "\n");
            rep(/<br>/gi, "\n");
            rep(/<p>/gi, "");
            rep(/<\/p>/gi, "\n");
            rep(/&nbsp;|\u00a0/gi, " ");
            rep(/&quot;/gi, "\"");
            rep(/&lt;/gi, "<");
            rep(/&gt;/gi, ">");
            rep(/&amp;/gi, "&");

            return s;
        },

        // BBCode -> HTML from PunBB dialect
        _punbb_bbcode2html: function (s) {
            s = tinymce.trim(s);

            function rep(re, str) {
                s = s.replace(re, str);
            }

            // example: [b] to <strong>
            rep(/\n/gi, "<br />");
            rep(/\[b\]/gi, "<strong>");
            rep(/\[\/b\]/gi, "</strong>");
            rep(/\[i\]/gi, "<em>");
            rep(/\[\/i\]/gi, "</em>");
            rep(/\[u\]/gi, "<u>");
            rep(/\[\/u\]/gi, "</u>");
            rep(/\[url=([^\]]+)\](.*?)\[\/url\]/gi, "<a href=\"$1\">$2</a>");
            rep(/\[url\](.*?)\[\/url\]/gi, "<a href=\"$1\">$1</a>");
            rep(/\[img\](.*?)\[\/img\]/gi, "<img src=\"$1\" />");
            rep(/\[color=(.*?)\](.*?)\[\/color\]/gi, "<font color=\"$1\">$2</font>");
            rep(/\[code\](.*?)\[\/code\]/gi, "<span class=\"codeStyle\">$1</span>&nbsp;");
            rep(/\[quote.*?\](.*?)\[\/quote\]/gi, "<span class=\"quoteStyle\">$1</span>&nbsp;");

            return s;
        }
    });

    // Register plugin
    tinymce.PluginManager.add('bbcode', tinymce.plugins.BBCodePlugin);
})();